MATHEMATICS HIGH SCHOOL

Find f (3) of the function: x square - 2x + 1​

Answers

Answer 1
Answer:

Answer:

f(3) = 4

Step-by-step explanation:

To evaluate f(3) substitute x = 3 into f(x) , that is

f(3) = 3² - 2(3) + 1 = 9 - 6 + 1 = 4

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Simplify (7x+3y²) and (4xy²)​
Briyana has $150, and she needs to save at least $560 for a spring break trip. If she can save $45 per week, how long will it take her to save enough money? Let w = weeks saving money. Write an inequality to describe the situation. 45w + 150< 560 45w + 150> 560 150w + 45< 560 150w + 45 > 560
Equivalent fractions of 4/5

2. Consider the numbers 4/13 and 3/10 .a. Compare the numbers.
b. Find a rational number between the two given numbers

Answers

Set the denominators equal to each other. 4/13 becomes 40/130 and 3/10 becomes 39/130. Therefore, 3/10 is slightly less. A number in between would be 39.5/130 which is equivalent to 79/260

What is the median cost of 26$, 35$, and 50$

Answers

(26+35+50)/(3)=(111)/(3)=37
The average is $37. The number closest to it is $35.

Answer:

I believe it should be $37.

Step-by-step explanation:

If I'm correct median mean average, so you find the average.

26+35+50=111

and since there were 3 variables,

111/3= 37.

How do you divide can someone plz tell me

Answers

Just divide
Like 4:2=2
Its pretty easy lets say 2:4 How many times does 2 go into 4 two times see easy

The sum of two polynomials is 8d5 – 3c3d2 + 5c2d3 – 4cd4 + 9. If one addend is 2d5 – c3d2 + 8cd4 + 1, what is the other addend? The choices are: A. 6d5 – 2c3d2 + 5c2d3 – 12cd4 + 8 B. 6d5 – 4c3d2 + 3c2d3 – 4cd4 + 8 C. 6d5 – 4c3d2 + 5c2d3 – 12cd4 + 8 D. 6d5 – 2c3d2 – 3c2d3 – 4cd4 + 8

Answers

Answer: The correct option is A.

Step-by-step explanation: We are given a polynomial which is a sum of other 2 polynomials.

We are given the resultant polynomial which is : 8d^5-3c^3d^2+5c^2d^3-4cd^4+9

One of the polynomial which are added up is : 2d^5-c^3d^2+8cd^4+1

Let the other polynomial be 'x'

According to the question:

8d^5-3c^3d^2+5c^2d^3-4cd^4+9=x+(2d^5-c^3d^2+8cd^4+1)

x=8d^5-3c^3d^2+5c^2d^3-4cd^4+9-(2d^5-c^3d^2+8cd^4+1)

Solving the like terms in above equation we get:

x=(8d^5-2d^5)+(-3c^3d^2+c^3d^2)+(5c^2d^3)+(-4cd^4-8cd^4)+(9-1)

x=6d^5-2c^3d^2+5c^2d^3-12cd^4+8

Hence, the correct option is A.

Answer:

6d5 – 2c3d2 + 5c2d3 – 12cd4 + 8

9. Betsy's softball team won 47 games, lost15 games, and tied none. What fractional
part of the games played did the team
win?

Answers

Answer:

47/62

Step-by-step explanation:

62 total games won 47 therefore 47/62

How many people will 5 pitchers serve if one eight pitcher serves one person

Answers

If 1/8 of a pitcher servers one person, then 1 pitcher serves 8 people. If we multiply this by 5 pitchers: 5 x 8 = 40, we find that 5 pitchers will serve 40 people. 
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